Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	SON
Human P-Site:	S2001
P-Site Sequence:	TPSRRRRSRSVVRRR
UniProt:	P18583
Intern. Prot. ID:	IPI00000192

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SON	P18583	S2001	TPSRRRRSRSVVRRR	100 / 9 AA	264
Phosphosite 1:	SON	P18583	S1940	TPSRRRRSRSVGRRR	100 / 8 AA	264
Phosphosite 2:	PDE3A	Q14432	S292	VFKRRRRSSSVVSAE	88 / 9 AA	125
Phosphosite 3:	PRPF4B	Q13523	S495	RGGRRRRSRSKVKED	88 / 9 AA	117
Phosphosite 4:	SON	P18583	S2003	SRRRRSRSVVRRRSF	100 / 7 AA	264
Phosphosite 5:	C20orf111	Q9NX31	S82	RTQRRRRSKSPVLHP	77 / 9 AA	32
Phosphosite 6:	PDE3A	Q14432	S293	FKRRRRSSSVVSAEM	87 / 8 AA	125
Phosphosite 7:	CLK4	Q9HAZ1	S136	KSHRRKRSRSIEDDE	75 / 8 AA	57
Phosphosite 8:	KCNH4	Q9UQ05	S172	FRSARRRSRTVLHRL	75 / 8 AA	112
Phosphosite 9:	CLK1	P49759	T138	KSHRRKRTRSVEDDE	75 / 8 AA	57
Phosphosite 10:	LUC7L	Q9NQ29	S280	RDRRRRRSRSTSRER	87 / 8 AA	44
Phosphosite 11:	SFRS11	Q05519	S348	RERRRRRSRSGTRSP	77 / 9 AA	54
Phosphosite 12:	KCNH8	Q96L42	S167	FDSARRRSRAVLYHI	75 / 8 AA	124
Phosphosite 13:	KCNH3	Q9ULD8	S170	FNANRRRSRAVLYHL	75 / 8 AA	117
Phosphosite 14:	PRPF38B	Q5VTL8	S318	REKERRRSRSIDRGL	85 / 7 AA	64
Phosphosite 15:	KIF14	Q15058	S1190	SSLSRRRSRSLMKNR	75 / 8 AA	186
Phosphosite 16:	SRRM3	A6NNA2	S396	RRRRRRRSRSSASAP	100 / 7 AA	65
Phosphosite 17:	TRA2A	Q13595	S96	PEYRRRRSRSHSPMS	100 / 7 AA	33
Phosphosite 18:	Cacng4	Q9UBN1	S243	YRYRRRRSRSSSRST	100 / 7 AA	37
Phosphosite 19:	SFRS12	Q8WXA9	S386	RERRRRRSRSSSRSP	100 / 7 AA	59
Phosphosite 20:	PRPF4B	Q13523	S443	WSPTRRRSRSPIRRR	75 / 8 AA	117